This page lists 8 ignition parts for the 1931 Graham Prosperity, across 3 part types, covering the All Engines engine. Every part shows its brand, manufacturer part number and fitment notes.
The ignition system on the 1931 Graham Prosperity delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. All 8 listed parts are Ignition Coil (6 parts), Ignition Coil Mounting Bracket (1 part) and Spark Plug (1 part).
The 1931 Graham Prosperity came with a single engine, the All Engines, and every part is verified against it.
6 brands supply ignition parts for the 1931 Graham Prosperity, led by STANDARD MOTOR PRODUCTS (3 parts), FVP (1 part) and HOLSTEIN (1 part), plus 3 more brands. Quality grades include Economy, Standard Replacement and Premium.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 1931 Graham Prosperity. 2 parts have it, including STANDARD MOTOR PRODUCTS UC14T (Ignition Coil) and STANDARD MOTOR PRODUCTS UC14 (Ignition Coil). Each part number opens a page with every vehicle that part fits.
Ignition Coil
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular | UC14T | 🇺🇸 US | T-Series6 Volt | View on Amazon |
| FVP | UC14F | 🇺🇸 US | View on Amazon | |
| HOLSTEIN | 2IGC0057 | 🇺🇸 US | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular | UC14 | 🇺🇸 US | Blue Streak6 Volt | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| UNITED MOTOR PRODUCTS | C14 | 🇺🇸 US | View on Amazon | |
| WELLS | 5C1063 | 🇺🇸 US | Fits most cars, trucks, tractors & industrial engs6 Volt (Universal Coil) used with external resistor or where resistance wire is an internal part of wiring harness. | View on Amazon |
This table covers the coils that fire each spark plug. Typical signs include a misfire that follows one cylinder, a snap in damp weather, or a coil that is swollen or cracked. Swap a suspect coil with a neighbor to confirm, then replace boots that tore on the way off.
6 Ignition Coil parts for the 1931 Graham Prosperity come from 5 brands — STANDARD MOTOR PRODUCTS, FVP, HOLSTEIN and 2 other brands. The "Popular" part is STANDARD MOTOR PRODUCTS UC14T.
The Economy section lists 3 options from STANDARD MOTOR PRODUCTS, FVP and HOLSTEIN — the catalog's value-priced group. STANDARD MOTOR PRODUCTS UC14T is listed in this group.
In the Premium grade, STANDARD MOTOR PRODUCTS supplies 1 part: a step above OE specification in materials, tolerances or warranty terms. A representative part number is STANDARD MOTOR PRODUCTS UC14.
In the Standard Replacement grade, UNITED MOTOR PRODUCTS and WELLS supply 2 parts: built to original-equipment specification. A representative part number is UNITED MOTOR PRODUCTS C14.
Listed part numbers: STANDARD MOTOR PRODUCTS UC14T, FVP UC14F and HOLSTEIN 2IGC0057, plus the other parts above.
Ignition Coil Mounting Bracket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | CB6 | 🇺🇸 US | View on Amazon |
This table covers the brackets that mount the Ignition Coil Mounting. Typical signs include a cracked mount, a rattle, or a bracket that no longer holds alignment. Confirm position in the notes. Many brackets look alike and bolt to different corners.
One part is listed for the 1931 Graham Prosperity — STANDARD MOTOR PRODUCTS CB6.
Spark Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CHAMPION | 561 | 🇺🇸 US | Copper PlusPre-Set Gap: 0.025" | View on Amazon |
This table covers the spark plugs for this engine. Typical signs include misfire under load, rough idle, or a flashing check-engine light. Verify the gap even on pre-gapped plugs, and replace coil boots that come off a high-mileage engine.
One part is listed for the 1931 Graham Prosperity — CHAMPION 561.
Buying Ignition Parts for a 1931 Graham Prosperity
On this vehicle, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules.
- Confirm you have the All Engines engine — every part on this page is matched to it.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace plugs and wires (or coil boots) as a set — one weak cylinder makes the whole set feel bad.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Ignition Coil and Ignition Coil Mounting Bracket .
Frequently Asked Questions
How many ignition parts fit the 1931 Graham Prosperity?
Our catalog currently lists 8 ignition parts for the 1931 Graham Prosperity across 3 subcategories and 6 brands, covering the All Engines engine. Each part is matched to the engine(s) it fits.
What are the signs of ignition problems on a 1931 Graham Prosperity?
Common symptoms include misfires under load, rough idle, flashing check-engine light, or poor starting in damp weather. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What spark-plug gap is listed for the 1931 Graham Prosperity?
Notes on this page include a 0.025" pre-set gap. Still verify against spec — even “pre-gapped” plugs should be checked before they go in.
What should I replace at the same time?
Where labor overlaps, replace plugs and wires (or coil boots) as a set — one weak cylinder makes the whole set feel bad.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 1931 Graham Prosperity was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 1931 Graham Prosperity?
Every part on this page is matched to the All Engines engine. Then gap matters even on “pre-gapped” plugs — verify against spec, and replace coil boots when they come off a high-mileage engine. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 1931 Graham Prosperity
Ignition Parts for Other Graham Prosperity Years
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